Self-sealing jar



Feb. 3, 1931. A M, ANDERSON 1,791,259

SELF SEALING JAR lFiledJuly 28. 192Bl WITNEssEs: j INVENTOR: l

l andrew l1. 1116161150511 n I "y M i J2 7.i

Patented Feb. 3, 1931 UNITED STATES PA-"ileNT oFFicE ANDREW M. ANDERSON,oF NnWFrnLnNEW JERSEY SELF-SEALING JAR Application. filed July 28,19278. vSerial No. 296,027.

adapted to rest in said seat, said cover being c provi-ded with anannular groove containing; a sealing ineinber and a second grooveadapted tolie opposite the upper end of the jar and to receive thereinaprying; instrument for re- .15 n'iovinnY the cover. Y

ln the dra-Wing'. Figure lis a top view of a jar and cover embodying inyinvention and Figure 2 a central vertical section of the same. l yReferring to the drawing, the numeral 1indicates the body7 of the jarwhich is reduced in size adjacent vthe top and provided With 4an annularinternal shoulder 2 upon which Vthe cover mayv rest. The jar extendsabove the shoulder providing a flange 3 Which en circles the cover whenin position for use. The cover l has an annular groove 5 adjacent itsbase, preferably rectangular in shape, and an annular groove 6 betweengroove 5 and the upper surface of the cover.r The up per wall of groove6 preferably'slopes upwardly and the part of the cover above the ,grooveprovides a substantial flange 7 Which extends above lla/nge 3 and isspaced from the top thereof.

An elastic rinof 8 is seated in groove 5'Which x is sufficiently deep tofirmly hold the ring, and

the jar is sealed by pressinrr'the cover, With the ring. downwardlyuntilit contacts with 40 shoulder 2.

The cover may be rein oved by inserting' any` objectV adapted tofunction as a lever into ysnfoove 6 and using the top oflange 3 as afulcrum.

i5 The construction of the and sealing* member associated therewith inavbe ch anged in various details Within the scopek of the invention ashereinbefore set forth and hereinl. A j ar having a substantiallycylindrical lneck with. an annulaishoulder spaced -from the top of theneck, a cover proportioned to sit upon rthe shoulder and tosubstantially lill and extend above the top of the neck, said coverhaving an annular groove, a gasket seated in the groove and making'sealing contact with the neck above the slioulde1,fsaid cover havingasecond groove located in part above the top of the neck.

A jar havinga substantially'cylindrical neck with an annular shoulderspaced from the top of the neck, a substantially cylindrical rcoverproportioned to sit'upon the shoulder an d to substantially lfill andextend above the top of ther neck, said cover having' an annular2groove, and a gasket seated in the groove and making sealing contactWith ythe neck above the shoulder, said cover having a second groovelocated in part above the top of the neck. v n 3L A j ar having aVsubstantially cylindrical neck With'an annular shoulderspacedrfrom thetop of the neck, a coversubstantially illinothe neck and seated upon theshoulder and having a circumferential groove, and a gasket seated withits major part Within the groove and making sealing contact with theinner Walls of the neck abovev the "shoulder, said cover having also a`.(groove in part above the top of the neck. i

In testimony whereof I have signed my name to this specification. fANDREW M. ANDERSON. K

